Not sure if it is the Visible Sim or the router or the modem. I can connect to my visible phone via hotspot. Sometime if I turn the VPN off it works and other times that doesn't work. Sometimes it just starts working again on it's own.
Router is
Model ZBT-WE826 (16M)
Architecture MediaTek MT7620A ver:2 eco:6
Firmware Version GoldenOrb_2019-11-16
Kernel Version 4.14.131
Debug log:
Tue Sep 22 17:39:58 2020 : /dev/ttyUSB1 AT+CSQ;+CESQ
+CSQ: 13,99
+CESQ: 99,99,255,255,13,23
OK
AT*CNTI=0
*CNTI: 0,LTE
OK
AT!SELRAT?
!SELRAT: 00, Automatic
OK
AT+ECIO?
+ECIO: NOT IMPLEMENTED
OK
AT+RSCP?
+RSCP:
OK
AT!UMTSCHAN?
!UMTSCHAN: NOT IMPLEMENTED
OK
AT!GSTATUS?
!GSTATUS:
Current Time: 37405 Temperature: 54
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B66 LTE bw: 10 MHz
LTE Rx chan: 0 LTE Tx chan: 132622
LTE SSC1 state:INACTIVE LTE SSC1 band: No band
LTE SSC1 bw : 10 MHz LTE SSC1 chan: 0
LTE SSC2 state:INACTIVE LTE SSC2 band: B1
LTE SSC2 bw : 5 MHz LTE SSC2 chan: 775
LTE SSC3 state:NOT ASSIGNED
LTE SSC4 state:NOT ASSIGNED
EMM state: Registered Normal Service
RRC state: RRC Connected
IMS reg state: No Srv
PCC RxM RSSI: -85 PCC RxM RSRP: -116
PCC RxD RSSI: -85 PCC RxD RSRP: -116
SCC1 RxM RSSI: -88 SCC1 RxM RSRP: -110
SCC1 RxD RSSI: -74 SCC1 RxD RSRP: -96
SCC2 RxM RSSI: -79 SCC2 RxM RSRP: -99
SCC2 RxD RSSI: -76 SCC2 RxD RSRP: -96
Tx Power: 23 TAC: 030b (779)
RSRQ (dB): -14.1 Cell ID: 000d2110 (860432)
SINR (dB): 2.2
OK
AT!PCTEMP?
Temp state: Normal
Temperature: 54.00 C
OK